key fob not working!

[Jordank_]

key fob isnt working, changed the battery but still no luck! any ideas what it would be?

 

[Jen319]

I assume for Remote locking?...

....water ingress?
...Damaged circuit?
...disconnected switch relay (at button)?
...Snapped connector (at button)?
...RF issue?....EG...no longer coded correctly?